<template>
  <div style="text-align: center;margin: 0 20px">
    <div style="margin-top: 100px">
      <div style="font-size: 25px;font-weight: bold">注册新用户</div>
      <div style="font-size: 14px;color: gray">欢迎注册蚂蚁搬家平台，请在下方填写相关信息</div>
    </div>
    <div style="margin-top: 50px">
      <el-form :model="form" :rules="rule" ref="formRef">
        <el-form-item prop="username">
          <el-input v-model="form.username" maxlength="10" type="text" placeholder="用户名">
            <template #prefix>
              <el-icon><User/></el-icon>
            </template>
          </el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input v-model="form.password" maxlength="20" type="password" placeholder="密码">
            <template #prefix>
              <el-icon><Lock/></el-icon>
            </template>
          </el-input>
        </el-form-item>
        <el-form-item prop="password_repeat">
          <el-input v-model="form.password_repeat" maxlength="20" type="password" placeholder="重复密码">
            <template #prefix>
              <el-icon><Lock/></el-icon>
            </template>
          </el-input>
        </el-form-item>
        <el-form-item prop="email">
          <el-input v-model="form.email"  type="email" placeholder="电子邮件地址">
            <template #prefix>
              <el-icon><Message/></el-icon>
            </template>
          </el-input>
        </el-form-item>
        <el-row :gutter="10" style="width: 100%;">
          <el-col :span="17">
            <el-input v-model="form.code" maxlength="6" type="text" placeholder="请输入验证码">
              <template #prefix>
                <el-icon><EditPen/></el-icon>
              </template>
            </el-input>
          </el-col>
          <el-col :span="5" style="text-align: right">
            <el-button :disabled="!isEmailValid || codeTime" type="success" @click="askCode">
              {{codeTime>0?`请稍后${codeTime}秒`:'获取验证码'}}</el-button>
          </el-col>
        </el-row>
      </el-form>
    </div>
    <div style="margin-top: 80px">
      <el-button @click="register" style="width: 270px" type="warning" plain>立即注册</el-button>
    </div>
    <div style="margin-top: 20px">
      <span style="font-size: 14px;line-height: 15px;color: grey">已有账号？</span>
      <el-link style="translate: 0 -1px" @click="router.push('/')">立即登录</el-link>
    </div>
  </div>
</template>

<script setup>
import {computed, reactive,ref} from "vue";
import {EditPen, Lock, Message, User} from "@element-plus/icons-vue";
import {ElIcon, ElMessage} from "element-plus";
import router from "@/router/index.js";
import {get,post} from "/src/net/index.js";


const codeTime = ref(0)
const formRef=ref();

const validatePassword = (rule, value, callback) => {
  if (value==='')
    callback(new Error("请再次输入密码"))
  else if (value!==form.password)
    callback(new Error("两次输入的密码不一致"))
  else
    callback()
}

const rule = {
  username: [
    {required:true,message:'请输入用户名',trigger: ['blur','change']}
  ],
  password: [
    {required:true,message:'请输入密码',trigger:'blur'},
    {min:6,max:20,message: '密码查高度必须在6-20个字符之间',trigger: ['blur','change']},
  ],
  password_repeat: [
    {validator:validatePassword,trigger: ['blur','change']}
  ],
  email: [
    {required:true,message:'请输入邮件地址',trigger:'blur'},
    {type:'email',max:20,message: '请输入合法的电子邮件地址',trigger: ['blur','change']},
  ],
  code: [
    {required:true,message:'请输入获取的验证码',trigger:'blur'},
  ]
}
const form = reactive({
  username: "",
  password: "",
  password_repeat: "",
  email: "",
  code:""
})

function askCode(){
  if(isEmailValid){
    codeTime.value=60
    get(`/api/auth/ask-code?email=${form.email}&type=register`,()=>{
      ElMessage.success(`验证码已发送到邮箱：${form.email},请注意查收`)
      setInterval(()=>codeTime.value--,1000)
    },(message)=>{
      ElMessage.warning(message)
      codeTime.value=0
    })
  }else {
    ElMessage.warning("请输入正确的电子邮件！")
  }
}

function register(){
  formRef.value.validate(valid => {
    if (valid) {
      post('/api/auth/register',{...form},()=>{
        ElMessage.success("注册成功，欢迎加入")
        router.push('/')
      })
    }
  })
}

const isEmailValid=computed(()=>/^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$/
    .test(form.email))
</script>

<style lang="scss" scoped>

</style>